Helsinki has transformed its underground into a multifunctional urban landscape, hosting facilities like swimming pools, a go-karting track, and even an art gallery. These subterranean spaces serve as vibrant leisure amenities during peace and as bomb shelters during emergencies.
Subterranean Lifestyle in a Granitic Wonderland
The Itäkeskus swimming hall, opened in 1993, is one of Helsinki’s most frequented spots, drawing in 400,000 visitors annually. It was developed within the city’s granite bedrock and presents an illusion of a moon-like surface, inviting both locals and tourists to enjoy its unique charm.
Behind the City’s Vision
From 2010, Helsinki has embraced a pioneering project to create a master-planned underground city. This network includes numerous artificial caves and tunnels extending to depths of 90 metres. The initiative originally aimed to manage infrastructure like heating plants and telecoms cables efficiently.
A Dual-Purpose Haven
Helsinki’s subterranean facilities serve dual purposes. In peacetime, these spaces are fashioned into commercial centres, playgrounds, and transport hubs. During wartime, these spaces can be swiftly converted into shelters for up to 900,000 residents. The Itäkeskus swimming hall alone can accommodate nearly 4,000 people, with quick modifications enabling the installation of decontamination showers.
Discovering the Below-Ground World
On a spring morning, entering this underground haven feels like stepping into a different realm. Visitors embark on the journey down sweeping staircases bounded by rugged rock walls. Entry fees at Helsinki’s four public swimming halls are affordable, encouraging visits from families and budget travellers alike.
A Diverse Cultural Experience
Conversations resonate in various languages, illuminating everyday lives. Cultural diversity is apparent, with expats and visitors mingling while sharing recommendations and experiences. Nearby, the renowned underground art museum Amos Rex and the partially buried Temppeliaukio Church offer visitors insight into a harmonious blend of utility and elegance.
Helsinki demonstrates a unique model of urban planning that intertwines practicality with aesthetic splendour, showcasing that foresight and creativity can build a sustainable and adaptable future.
Reporting based on coverage first published by theguardian.com.